Gaya APA

Kieky, . (2015). Students difficulties in differenting the use of auxiliary verb be and do at the eight year of SMP PMDS Putri Palopo . Palopo: Prodi bahasa inggris Jurusan Tarbiyah.

Gaya MLA

Kieky, . "Students difficulties in differenting the use of auxiliary verb be and do at the eight year of SMP PMDS Putri Palopo". Palopo: Prodi bahasa inggris Jurusan Tarbiyah, 2015. Text.